319968530225 has 12 divisors (see below), whose sum is σ = 401218968780. Its totient is φ = 253098700800.

The previous prime is 319968530171. The next prime is 319968530251. The reversal of 319968530225 is 522035869913.

It can be written as a sum of positive squares in 6 ways, for example, as 30904233616 + 289064296609 = 175796^2 + 537647^2 .

It is a de Polignac number, because none of the positive numbers 2^k-319968530225 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71900816 + ... + 71905265.

It is an arithmetic number, because the mean of its divisors is an integer number (33434914065).

Almost surely, 2^319968530225 is an apocalyptic number.

It is an amenable number.

319968530225 is a deficient number, since it is larger than the sum of its proper divisors (81250438555).

319968530225 is a wasteful number, since it uses less digits than its factorization.

319968530225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143806180 (or 143806175 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 319968530225 in words is "three hundred nineteen billion, nine hundred sixty-eight million, five hundred thirty thousand, two hundred twenty-five".